std::log
From Cppreference
| Defined in header
<cmath> | ||
| float log( float arg );
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| double log( double arg );
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| long double log( long double arg );
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Computes the natural (base e) logarithm of arg.
Parameters
| arg | - | floating point value |
Return value
natural logarithm of arg.
Domain error occurs if arg is negative. NAN is returned in that case.
Range error occurs if arg is 0. -HUGE_VAL is returned in that case.
See also
| returns e raised to the given power (function) | |
| common logarithm (to base 10) (function) | |
| returns the given number raised to the given power (function) | |
